*/
namespace Friendica\Core;
-use Friendica\Core\Cache;
-use Friendica\Core\Config;
+use Friendica\Core\Cache\Cache as CacheClass;
+use Friendica\DI;
/**
* @brief Class for storing data for a short time
*/
-class Cache extends \Friendica\BaseObject
+class Cache
{
- const MONTH = 0;
- const WEEK = 1;
- const DAY = 2;
- const HOUR = 3;
- const HALF_HOUR = 4;
- const QUARTER_HOUR = 5;
- const FIVE_MINUTES = 6;
- const MINUTE = 7;
+ /** @deprecated Use CacheClass::MONTH */
+ const MONTH = CacheClass::MONTH;
+ /** @deprecated Use CacheClass::WEEK */
+ const WEEK = CacheClass::WEEK;
+ /** @deprecated Use CacheClass::DAY */
+ const DAY = CacheClass::DAY;
+ /** @deprecated Use CacheClass::HOUR */
+ const HOUR = CacheClass::HOUR;
+ /** @deprecated Use CacheClass::HALF_HOUR */
+ const HALF_HOUR = CacheClass::HALF_HOUR;
+ /** @deprecated Use CacheClass::QUARTER_HOUR */
+ const QUARTER_HOUR = CacheClass::QUARTER_HOUR;
+ /** @deprecated Use CacheClass::FIVE_MINUTES */
+ const FIVE_MINUTES = CacheClass::FIVE_MINUTES;
+ /** @deprecated Use CacheClass::MINUTE */
+ const MINUTE = CacheClass::MINUTE;
+ /** @deprecated Use CacheClass::INFINITE */
+ const INFINITE = CacheClass::INFINITE;
/**
- * @var Cache\ICacheDriver
- */
- static $driver = null;
-
- public static function init()
- {
- switch(Config::get('system', 'cache_driver', 'database')) {
- case 'memcache':
- $memcache_host = Config::get('system', 'memcache_host', '127.0.0.1');
- $memcache_port = Config::get('system', 'memcache_port', 11211);
-
- self::$driver = new Cache\MemcacheCacheDriver($memcache_host, $memcache_port);
- break;
- case 'memcached':
- $memcached_hosts = Config::get('system', 'memcached_hosts', [['127.0.0.1', 11211]]);
-
- self::$driver = new Cache\MemcachedCacheDriver($memcached_hosts);
- break;
- default:
- self::$driver = new Cache\DatabaseCacheDriver();
- }
- }
-
- /**
- * @brief Return the duration for a given cache level
+ * @brief Returns all the cache keys sorted alphabetically
*
- * @param integer $level Cache level
+ * @param string $prefix Prefix of the keys (optional)
*
- * @return integer The cache duration in seconds
+ * @return array Empty if the driver doesn't support this feature
+ * @throws \Exception
*/
- public static function duration($level)
+ public static function getAllKeys($prefix = null)
{
- switch ($level) {
- case self::MONTH:
- $seconds = 2592000;
- break;
- case self::WEEK:
- $seconds = 604800;
- break;
- case self::DAY:
- $seconds = 86400;
- break;
- case self::HOUR:
- $seconds = 3600;
- break;
- case self::HALF_HOUR:
- $seconds = 1800;
- break;
- case self::QUARTER_HOUR:
- $seconds = 900;
- break;
- case self::FIVE_MINUTES:
- $seconds = 300;
- break;
- case self::MINUTE:
- default:
- $seconds = 60;
- break;
- }
- return $seconds;
- }
-
- /**
- * Returns the current cache driver
- *
- * @return Cache\ICacheDriver
- */
- private static function getDriver()
- {
- if (self::$driver === null) {
- self::init();
- }
-
- return self::$driver;
+ return DI::cache()->getAllKeys($prefix);
}
/**
* @param string $key The key to the cached data
*
* @return mixed Cached $value or "null" if not found
+ * @throws \Exception
*/
public static function get($key)
{
- $time = microtime(true);
-
- $return = self::getDriver()->get($key);
-
- self::getApp()->save_timestamp($time, 'cache');
-
- return $return;
+ return DI::cache()->get($key);
}
/**
* @param integer $duration The cache lifespan
*
* @return bool
+ * @throws \Exception
*/
- public static function set($key, $value, $duration = self::MONTH)
+ public static function set($key, $value, $duration = CacheClass::MONTH)
{
- $time = microtime(true);
-
- $return = self::getDriver()->set($key, $value, $duration);
-
- self::getApp()->save_timestamp($time, 'cache_write');
+ return DI::cache()->set($key, $value, $duration);
+ }
- return $return;
+ /**
+ * @brief Delete a value from the cache
+ *
+ * @param string $key The key to the cached data
+ *
+ * @return bool
+ * @throws \Exception
+ */
+ public static function delete($key)
+ {
+ return DI::cache()->delete($key);
}
/**
* @brief Remove outdated data from the cache
*
- * @param integer $max_level The maximum cache level that is to be cleared
+ * @param boolean $outdated just remove outdated values
*
- * @return void
+ * @return bool
+ * @throws \Exception
*/
- public static function clear()
+ public static function clear($outdated = true)
{
- return self::getDriver()->clear();
+ return DI::cache()->clear($outdated);
}
}